Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Newport: Liam Broady vs Alex Michelsen Set 1 O/U 8.5 | 100% |
| Newport: Liam Broady vs Alex Michelsen Set 2 O/U 8.5 | 100% |
| Newport: Liam Broady vs Alex Michelsen Match O/U 21.5 | 100% |
| Newport: Liam Broady vs Alex Michelsen Set 2 O/U 9.5 | 100% |
| Newport: Liam Broady vs Alex Michelsen Set 2 O/U 10.5 | 100% |
| Newport: Liam Broady vs Alex Michelsen Set Handicap +/-1.5 | 100% |
| Newport: Liam Broady vs Alex Michelsen | 0% |
| Newport: Liam Broady vs Alex Michelsen Set 1 Winner | 0% |
| Newport: Liam Broady vs Alex Michelsen Total Sets: O/U 2.5 | 0% |
| Newport: Liam Broady vs Alex Michelsen Set 2 Winner | 0% |
| Newport: Liam Broady vs Alex Michelsen Set 1 O/U 9.5 | 0% |
| Newport: Liam Broady vs Alex Michelsen Match O/U 22.5 | 0% |
| Newport: Liam Broady vs Alex Michelsen Set 1 O/U 10.5 | 0% |
| Newport: Liam Broady vs Alex Michelsen Set Handicap +/-1.5 | 0% |
| Newport: Liam Broady vs Alex Michelsen Match O/U 23.5 | 0% |
Market context
The Newport Challenger quarterfinal on grass between Liam Broady and Alex Michelsen is scheduled for 5:30pm ET today, yet the Polymarket contract for Broady advancing sits at a stark 0% YES price in USDC on Polygon. This near-zero valuation implies the market expects an immediate cancellation or a default before the match begins, despite both players being listed for the contest on live score trackers[1][2]. On-chain, conditional tokens for this outcome are effectively worthless, reflecting a consensus that Broady will not progress, which contradicts the standard expectation that a scheduled Challenger match will proceed to completion.
Historically, prediction markets for tennis matches rarely dip to 0% unless a player withdraws pre-tournament or the event is officially cancelled; comparable cases from 2024–2025 show that even heavy favourites retain at least 5–10% liquidity unless a formal no-contest is declared. A 0% price typically signals a structural failure in the event schedule rather than pure skill disparity, as Broady and Michelsen have equal career win totals and no prior head-to-head record to suggest a guaranteed upset[1][8]. Traders should note that if the match starts but is interrupted, the market resolves to 50-50, meaning the current price ignores any in-play volatility.
Key catalysts include the official start confirmation at Newport and any withdrawal notices from the ATP Challenger tour schedule, as delays beyond seven days without a winner also trigger the 50-50 settlement[3]. Watch the 15:00 UTC start time on Sofascore and monitor real-time updates from the tournament venue, as a delay past 7 days would invalidate the current 0% pricing[2]. No recent news has confirmed a withdrawal, so the zero price likely stems from a liquidity gap or a mispriced assumption of cancellation rather than verified player absence[5][6].
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Scam? trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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